Vocal to Full Track
Add professional instrumental accompaniment to vocals or melodies. The Add Instrumental API intelligently generates backing tracks that complement your audio input perfectly.

Transparent pricing with no hidden fees. Pay as you go.
add-instrumental| Model | Spec | PoYo price | Official price | You save |
|---|---|---|---|---|
add-instrumental | Standard generation | $0.100/gen 20 credits /gen | - | - |
* Actual fees are based on the final output.
Complete guide to using Add Instrumental API - AI Backing Track Generation on PoYo
Add professional instrumental accompaniment to vocals or melodies. The Add Instrumental API intelligently generates backing tracks that complement your audio input perfectly.
Define the musical style of your accompaniment with customizable tags. Specify genres, moods, instruments, and musical characteristics to create the perfect backing track.
Fine-tune the influence of style tags with the style_weight parameter (0-1). Control how strongly the AI adheres to your specified musical style for custom creative results.
Access V4.5PLUS, V5, and V5.5 model versions. V5 offers advanced musical expressiveness, while V5.5 adds a personalized model tuned to individual taste.
Exclude unwanted musical elements with negative_tags parameter. Precisely control what instruments, styles, or characteristics to avoid in your backing track.
Generate complete instrumental backing tracks quickly with optimized AI processing. Webhook callbacks notify you instantly when your accompaniment is ready for download.
Transform a cappella vocals into full songs with professional backing tracks. Perfect for singers, vocalists, and voice actors who need instrumental accompaniment.
Add backing tracks to melodies and musical ideas. Generate accompaniment for demos, sketches, and works-in-progress to bring your musical vision to life.
Enhance voice recordings with musical backing. Add instrumental support to narrations, voiceovers, and spoken content for richer audio experiences.
Create full soundtracks from vocal themes or melodies. Generate custom accompaniment that matches your visual content's mood and pacing.
Create practice tracks for music students. Generate backing accompaniment for vocal exercises, performance practice, and educational content.
Explore different musical styles for your vocals or melodies. Generate multiple versions with varying styles to discover new creative directions.
1. Get Your API Key: Create a free PoYo account and generate your API key from the dashboard. Get API Key →
2. Prepare Your Audio: Have your vocal or melody audio file ready. The API accepts audio files that you want to add instrumental backing to.
3. Make API Request: Send a POST request with your audio file and style parameters including tags, style_weight, and negative_tags. View API Docs →
4. Get Results: Receive a task_id and poll for results, or set up a webhook callback URL to be notified when generation completes. Query Results →
Add Instrumental API: $0.10 per generation (20 credits) - Add professional backing tracks to your audio
Features Included: Audio to full track, custom style tags, V4.5PLUS/V5/V5.5 models, style weight control, negative tags, webhook callbacks
Enterprise: Volume discounts available for high-volume usage. Priority processing and dedicated support. Contact sales →
Generate professional backing tracks at $0.10 per generation. No subscriptions required - pay only for what you use with transparent credit-based pricing.
Access Suno's state-of-the-art music generation technology through PoYo's unified API. Professional-quality accompaniment with industry-leading AI models.
Quick generation times with 99.9% uptime SLA. Webhook notifications ensure you're instantly alerted when your backing track is ready.
All generated backing tracks are cleared for commercial use including music production, content creation, and distribution. No additional licensing fees required.
One API key connects you to Add Instrumental and 15+ other music APIs plus 500+ AI models. Simplify billing and reduce integration complexity.
Clean RESTful API with comprehensive documentation. Simple integration with any programming language. SDKs and code examples available.